<template>
    <div>
        <!-- 面包屑 --->
        <el-breadcrumb separator="/">
            <el-breadcrumb-item to="{path:'/'}">首页</el-breadcrumb-item>
            <el-breadcrumb-item>用户管理</el-breadcrumb-item>
            <el-breadcrumb-item>用户列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!--plus卡片区域-->
        <el-card>
        <!-- 搜索与添加区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" clearable v-model="pageParams.query">
            <template #append>
              <el-button :icon="Search" @click="searchUser" />
            </template>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>

            <!--用户列表《==================================-->
            <!--表格-->
            <el-table border :data="userList" stripe>
                <!-- 复选框 -->
                <el-table-column type="selection"></el-table-column>
                <!-- 索引列 -->
                <el-table-column label="编号" type="index" width="80"></el-table-column>
                <el-table-column label="姓名" prop="username"></el-table-column>
                <el-table-column label="邮箱" prop="email"></el-table-column>
                <el-table-column label="电话" prop="mobile"></el-table-column>
                <el-table-column label="角色" prop="role_name"></el-table-column>
                <el-table-column label="状态">
                    <template #default="scope">
                        <!-- admin:超级管理员，不要显示开关进行修改 -->
                        <el-switch v-model="scope.row.mg_state" v-if="scope.row.id != 500"
                            @change="changeStateHandler(scope.row)"></el-switch>
                    </template>
                </el-table-column>
                <el-table-column label="操作" fixed="right" min-width="120">
                    <template #default="scope">
                        <!-- 500是超级管理员，不允许修改,这里的template相当于一个包裹性质的容器，不会在dom产生额外的标签 -->
                        <template v-if="scope.row.id != 500">
                            <el-button size="small" type="primary" :icon="Edit"
                                @click="showEditDialog(scope.row)"></el-button>
                            <el-button size="small" type="danger" :icon="Delete"
                                @click="removeUserById(scope.row.id)"></el-button>
                            <el-tooltip class="item" effect="dark" content="分配角色" placement="top">
                                <el-button size="small" type="warning" :icon="Setting"
                                    @click="showSetRoleDialog(scope.row)"></el-button>
                            </el-tooltip>
                        </template>
                    </template>
                </el-table-column>
            </el-table>


            <!--大分页栏《===============================-->
            <el-pagination
        background
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        v-model:current-page="pageParams.pagenum"
        :page-sizes="pageSizes"
        v-model:page-size="pageParams.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      ></el-pagination>
    </el-card>

   <!--=====================================================================================================-->
    <!-- 添加用户的对话框, :visible.sync属性 控制窗口显示隐藏，值为addDialogVisible，默认为false -->
  <el-dialog title="添加用户" v-model="addDialogVisible" width="50%" @close="resetForm">
    <!-- 内容主体区域 -->
    <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
      <el-form-item label="用户名" prop="username">
        <el-input v-model="addForm.username"></el-input>
      </el-form-item>
      <el-form-item label="密码" prop="password">
        <el-input v-model="addForm.password"></el-input>
      </el-form-item>
      <el-form-item label="邮箱" prop="email">
        <el-input v-model="addForm.email"></el-input>
      </el-form-item>
      <el-form-item label="手机" prop="mobile">
        <el-input v-model="addForm.mobile"></el-input>
      </el-form-item>
    </el-form>
    <!-- 底部区域 -->
    <span class="dialog-footer">
      <el-button @click="resetForm">重置</el-button>
      <el-button @click="addDialogVisible = false">取 消</el-button>
      <el-button type="primary" @click="addUser">确 定</el-button>
    </span>
  </el-dialog>

  </div>
    <!--修改用户对话框-->
    <el-dialog title="修改用户" v-model="editDialogVisible" width="50%">
        <!--表单-->
        <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="100px">
            <el-form-item label="用户名" prop="username">
                <el-input v-model="editForm.username" disabled></el-input>
            </el-form-item>
            <el-form-item label="邮箱" prop="email">
                <el-input v-model="editForm.email"></el-input>
            </el-form-item>
            <el-form-item label="电话号码" prop="mobile">
                <el-input v-model="editForm.mobile"></el-input>
            </el-form-item>
        </el-form>
        <span class="dialog-footer">
            <el-button type="primary" @click="editUser">确定</el-button>
            <el-button @click="editDialogVisible = false">取消</el-button>
        </span>
    </el-dialog>

 
    <!--分配用户对话框-->
    <el-dialog title="分配用户" v-model="setRoleDialogVisible" width="50%">
        <!--再添加一个卡片-->
        <el-card class="setRole">
            <el-row>
                <el-col :span="4" style="text-align: center">
                    <div class="grid-content bg-purple">当前用户:</div>
                </el-col>
                <el-col :span="4">
                    <div class="grid-content bg-purple">{{ userInfo.username }}</div>
                </el-col>
            </el-row>
            <el-row>
                <el-col :span="4" style="text-align: center">
                    <div class="grid-content bg-purple">当前角色:</div>
                </el-col>
                <el-col :span="4">
                    <div class="grid-content bg-purple">{{ userInfo.role_name }}</div>
                </el-col>
            </el-row>
            <el-row>
                <el-col :span="4" style="text-align: center">
                    <div class="grid-content bg-purple">分配新角色:</div>
                </el-col>
                <el-col :span="4">
                    <el-select v-model="userInfo.rid" placeholder="请选择">
                        <el-option v-for="item in roleList" :key="item.id" :label="item.roleName"
                            :value="item.id"></el-option>
                    </el-select>
                </el-col>
            </el-row>
        </el-card>
        <span class="dialog-footer">
            <el-button type="primary" @click="setRole">确定</el-button>
            <el-button @click="setRoleDialogVisible = false">取消</el-button>
        </span>
    </el-dialog>
</template>


<script setup>
import { Search, Edit, Delete, Setting } from '@element-plus/icons-vue'
import { ref } from 'vue'
import { getUserListApi, changeUserStateApi, deleteUserByIdApi, addUserApi, editUserApi, setRoleApi } from '@/api/user'
import { getRoleListApi } from '@/api/role'
import { message } from '@/utils/functions'
// 分页大小
const pageSizes = ref([3, 6, 9])
// 定义分页查询参数
const pageParams = ref({
  query: '',
  pagenum: 1,
  pagesize: pageSizes.value[0]
})

// 获取用户列表数据
const userList = ref([])
const total = ref(0)
const getUserList = async () => {
  const data = await getUserListApi(pageParams.value)
  userList.value = data.users
  total.value = data.total
}

getUserList()

//监听分页参数的变化
// 每页显示的条数发生改变时触发
const handleSizeChange = size => {
    pageParams.value.pagesize = size
    getUserList()
}
// 当前页码改变时触发
const handleCurrentChange = page => {
    pageParams.value.pagenum = page
    getUserList()
}

// 分页搜索
const searchUser = () => {
    // 重置页码
    pageParams.value.pagenum = 1
    getUserList()
}

// 修改用户状态
const changeStateHandler = async row => {
    const { id, mg_state } = row
    await changeUserStateApi(id, mg_state)
}

// 删除用户
const removeUserById = async id => {
    // 弹框询问
    const confirmResult = await ElMessageBox.confirm('您确定要删除该用户吗?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
    })
    // 确认删除
    if (confirmResult === 'confirm') {
        await deleteUserByIdApi(id)
        await ElMessage.success('删除成功')
        getUserList()
    }
}

// 添加用户
const addDialogVisible = ref(false)
// 添加用户的表单数据
const addForm = ref({
    username: '',
    password: '',
    email: '',
    mobile: ''
})

//定义自定义验证规则《======================从网上查找对应的验证规则
// 验证邮箱的规则
const checkEmail = (rule, value, callback) => {
    // 验证邮箱的正则表达式
    const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/

    if (regEmail.test(value)) {
        return callback()
    }
    callback(new Error('请输入合法的邮箱'))
}
// 验证手机号的规则
const checkMobile = (rule, value, callback) => {
    // 验证手机号的正则表达式
    const regMobile = /^(0|86|17951)?(13[0-9]|15[0123456789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
    if (regMobile.test(value)) {
        return callback()
    }

    callback(new Error('请输入合法的手机号'))
}

// 添加表单验证规则
const addFormRules = ref({
    username: [
        { required: true, message: '请输入用户名', trigger: 'blur' },
        {
            min: 1,
            max: 10,
            message: '用户名的长度在3-10个字符之间',
            trigger: 'blur'
        }
    ],
    password: [
        { required: true, message: '请输入用户密码', trigger: 'blur' },
        {
            min: 6,
            max: 15,
            message: '用户密码的长度在6-15个字符之间',
            trigger: 'blur'
        }
    ],
    email: [
        { required: true, message: '请输入用户邮箱', trigger: 'blur' },
        {
            validator: checkEmail,
            trigger: 'blur'
        }
    ],
    mobile: [
        { required: true, message: '请输入用户手机号', trigger: 'blur' },
        { validator: checkMobile, trigger: 'blur' }
    ]
})

// 获取表单实例dom
const addFormRef = ref(null)
// 重置表单
const resetForm = () => {
    addFormRef.value.resetFields()
}
// 添加用户
const addUser = async () => {
    // 验证表单
    addFormRef.value.validate(async valid => {
        if (!valid) return
        // 验证通过
        await addUserApi(addForm.value)
        message('success', '添加用户成功')
        // 添加成功后关闭对话框
        addDialogVisible.value = false
        getUserList()
    })
}

// 修改数据
// 显示修改用户的对话框
const editDialogVisible = ref(false)
// 修改用户的表单数据
const editForm = ref({
    id: '',
    username: '',
    email: '',
    mobile: ''
})
// 校验
const editFormRules = ref({
    email: [
        { required: true, message: '请输入用户邮箱', trigger: 'blur' },
        {
            validator: checkEmail,
            trigger: 'blur'
        }
    ],
    mobile: [
        { required: true, message: '请输入用户手机号', trigger: 'blur' },
        { validator: checkMobile, trigger: 'blur' }
    ]
})

//设置用户显示对话框《=================================
// 显示修改用户的对话框
const showEditDialog = row => {
    editDialogVisible.value = true
    // 直接将数据赋值给表单数据，会覆盖掉原来的数据
    // editForm.value = row
    editForm.value = { ...row }
}
// 获取表单实例dom
const editFormRef = ref(null)
// 提交修改
const editUser = async () => {
    // 验证表单
    editFormRef.value.validate(async valid => {
        if (!valid) return
        // 验证通过
        await editUserApi(editForm.value)
        message('success', '修改用户信息成功')
        // 关闭对话框
        editDialogVisible.value = false
        getUserList()
    })
}

//针对注册用户进行操作《=================================
// 分配角色
const setRoleDialogVisible = ref(false)
// 获取角色列表
const roleList = ref([])
const getRoleList = async () => {
    const data = await getRoleListApi()
    console.log(data)
    roleList.value = data
}
getRoleList()

// 角色对应的用户信息
const userInfo = ref({
    id: '',
    username: '',
    role_name: '',
    rid: ''
})

// 显示分配角色的对话框
const showSetRoleDialog = row => {
    setRoleDialogVisible.value = true
    userInfo.value.id = row.id
    userInfo.value.username = row.username
    userInfo.value.role_name = row.role_name
    userInfo.value.rid = row.role_id
}

// 修改用户的角色信息
const setRole = async () => {
    const { id, rid } = userInfo.value
    await setRoleApi(id, rid)
    message('success', '分配角色成功')
    setRoleDialogVisible.value = false
    getUserList()
}
</script>



<style lang="scss" scoped>
.setRole {
    .el-row {
        margin-bottom: 20px;
    }
}
</style>